28932335040 has 224 divisors, whose sum is σ = 106763880960. Its totient is φ = 6500929536.

The previous prime is 28932335039. The next prime is 28932335057. The reversal of 28932335040 is 4053323982.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 28932335040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359994 + ... + 432966.

Almost surely, 2^28932335040 is an apocalyptic number.

28932335040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28932335040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53381940480).

28932335040 is an abundant number, since it is smaller than the sum of its proper divisors (77831545920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28932335040 is a wasteful number, since it uses less digits than its factorization.

28932335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73059 (or 73049 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 28932335040 in words is "twenty-eight billion, nine hundred thirty-two million, three hundred thirty-five thousand, forty".